at what point in sperm production do you hypothesize that loss of the testis-blood barrier would have an immunological effect on sperm production?

How are carbon dioxide emissions affecting the earths natural cycle of temperature change? plz apex

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun